O.e. is a microscopic parasite on tropical milkweed can over a year or two accumulate to where it seriously damages if not kills monarch caterpillars and butterflies. To help eliminate it, some people bleach the milkweed in a 5% bleach solution to water. Some even...
it is critical to PRUNE TOPICAL MILKWEED (by Halloween in southern California, perhaps earlier in other tropical areas of the US). Prune the stems down to 6 - 10" tall and strip off all the leaves, mimicking native milkweed die back and removing all the...